Home / 39,938.20-59,907.30-12,232.60

Finding the Fourth Proportional to 39,938.20, 59,907.30 and 12,232.60

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Solution

The fourth proportional to 39,938.20, 59,907.30 and 12,232.60 is: 18,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.20 : 59,907.30 = 12,232.60 : x
  2. Step 2: Convert to fraction form
    39,938.20/59,907.30 = 12,232.60/x
  3. Step 3: Cross multiply
    39,938.20x = 59,907.30 × 12,232.60
  4. Step 4: Simplify right side
    39,938.20x = 732,822,037.98
  5. Step 5: Solve for x
    x = 732,822,037.98/39,938.20
  6. Step 6: Final answer
    x = 18,348.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.